WhoisXML API Internet Infrastructure | WhoisXML API

WhoisXML API Internet Infrastructure

Unlock integrated intelligence on Internet properties and their ownership, infrastructure, and other attributes with our relevant collection of domain, DNS, IP, and other data sources.

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50 Billion+Domains and subdomains
21.0 Billion+WHOIS records
116 Billion+DNS records
14+Years of data crawling
10.4 Million+IP netblocks in total

Drive Product Innovation with Consolidated Data

See how to use domain data to map out any Internet infrastructure:

What You Need

WhoisXML API Internet Infrastructure combines the products below. Contact our sales team to learn more.

Product Detail Time span
DNS Database Premium Domain-to-IP mapping and DNS configurations Historical with daily updates
Real-Time & Historic WHOIS Database Apex domain ownership discovery and monitoring Historical with real-time, daily, and quarterly updates
IP Netblock & Geolocation Database IP range, ASN ownership and geolocation Historical with daily updates
SSL Certificates Database SSL user certificates and validity dates Daily updates
Subdomains Database Subdomains with first and last seen observation timestamps Historical with daily updates

Download a Sample

Get a glimpse of our Internet infrastructure intelligence.

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Practical Usage

  • Strengthen attack surface management

    Uncover all your interconnected cyber assets to improve attack surface visibility.

  • Assess third-party and vendor risks

    Evaluate security risks by analyzing the infrastructure of critical vendors and third parties.

  • Enhance brand protection efforts

    Monitor the public web for unauthorized or misused brand assets.

  • Investigate attacker infrastructure

    Expose threat actor networks for rapid incident response and attacker takedown.

For pricing details and building your customized solution, please contact us!